Add support for checking for pending migrations and running them

[vinistock]

Add the ability to check for pending migrations and run them through the Rails runner client.

For checking if something is pending, we use the Rails API directly, which raises if there are any pending migrations.

For running them, we can't do it in process. The code that runs migrations is not designed to be invoked repeatedly and uses load, which means that we could end up with a memory bloat. I used Open3.capture2 to run in a child process and grab the results.

[vinistock]

• Ensure schema URI will match on Windows #507
• Check for pending migrations when watcher is fired #504
• Add support for checking for pending migrations and running them #503 👈
• main

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[vinistock]

Merge activity

• Nov 4, 5:11 PM EST: A user merged this pull request with Graphite.